81 lines
2 KiB
Text
81 lines
2 KiB
Text
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#!/bin/sh
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# Clawdie operator USB live power baseline.
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# Applies the rc.conf power_profile C-state policy once at boot. FreeBSD's
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# power_profile service is marked nostart and normally runs only when devd sees
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# an AC-line transition, so a live USB can otherwise sit at the firmware/default
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# C-state until AC is unplugged/replugged.
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# PROVIDE: clawdie_live_power
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# REQUIRE: FILESYSTEMS syslogd
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# BEFORE: LOGIN
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# KEYWORD: nojail
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. /etc/rc.subr
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name="clawdie_live_power"
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rcvar="${name}_enable"
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start_cmd="${name}_start"
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stop_cmd=":"
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status_cmd="${name}_status"
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extra_commands="status"
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LOG_FILE="/var/log/clawdie-live-power.log"
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_power_log()
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{
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printf '%s %s\n' "$(date '+%Y-%m-%dT%H:%M:%S')" "$*" >>"${LOG_FILE}" 2>/dev/null || true
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}
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_power_state_arg()
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{
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_acline="$(sysctl -n hw.acpi.acline 2>/dev/null || echo unknown)"
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case "${_acline}" in
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0)
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echo 0x00
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;;
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1)
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echo 0x01
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;;
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*)
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# Desktops/VMs may not expose hw.acpi.acline. Use performance
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# profile so rc.conf's performance_cx_lowest still applies.
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echo 0x01
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;;
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esac
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}
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clawdie_live_power_start()
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{
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: >>"${LOG_FILE}" 2>/dev/null || true
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_state="$(_power_state_arg)"
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_power_log "applying power_profile ${_state}"
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if service power_profile "${_state}" >>"${LOG_FILE}" 2>&1; then
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_power_log "power_profile ${_state} applied"
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else
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_power_log "WARN: power_profile ${_state} failed"
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fi
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_cx="$(sysctl -n hw.acpi.cpu.cx_lowest 2>/dev/null || echo unavailable)"
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_freq="$(sysctl -n dev.cpu.0.freq 2>/dev/null || echo unavailable)"
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_power_log "hw.acpi.cpu.cx_lowest=${_cx} dev.cpu.0.freq=${_freq}"
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return 0
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}
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clawdie_live_power_status()
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{
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if [ -s "${LOG_FILE}" ]; then
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echo "${name}: one-shot power policy; last run log tail:"
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tail -n 5 "${LOG_FILE}"
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return 0
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fi
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echo "${name}: not yet run this boot (no log at ${LOG_FILE})"
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return 1
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}
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load_rc_config "$name"
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: "${clawdie_live_power_enable:=YES}"
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run_rc_command "$1"
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